<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="11.css">
</head>
<body onload="showHello()">
<p id="intro">我是intro</p>
<div id="isdiv">
    <p id="p1">我是p1</p>
    <h1 class="ish1" onclick="this.innerHTML = '我是h1修改之后的东西'">我是h1</h1>
    <p id="p2">我是p2</p>
</div>

<button onclick="modifyP2()">点我改p2</button>

<button id="button1">点我改p1</button>

<input type="text" id="fname" onchange="upperCase()">

<div class="div1" onmouseover="mOver(this)" onmouseout="mOut(this)">
把鼠标放过来
</div>
<!--<img id="image" src="https://th.bing.com/th/id/R079e06d31dc2803a300ea9afd5e19880?rik=S4%2fqnyI2QPCNyA&riu=http%3a%2f%2fwww.wosowoso.com%2fjpg%2fgq%2f10woso_so137.jpg&ehk=xzOmk%2flsyDTA6H%2bgNZVc3SgyaAbtsmbtrAFrIlkClVY%3d&risl=&pid=ImgRaw" alt="">-->
</body>
<script src="11.js"></script>
</html>
